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A student encounters a pondweed which, judging from its appearance, seems to be a charophyte. She brings a sample back to her biology lab. Which of the following features should help her to determine whether the sample comes from a charophyte or from some other type of green alga? Mark all that apply.1. molecular structure of enzymes inside peroxisomes
2. structure of sperm cells
3. presence of phragmoplasts
4. rings of cellulose-synthesizing complexes

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Answer:

1. molecular structure of enzymes inside peroxisomes

Explanation:

Charophytes have several structures similar to other algae, however, the organisms that are part of this group present some enzymes inside of the peroxisomes that are not present in other groups of green algae, such as glycolate oxidase (important in photorespiration) and the production of Cu/Zn superoxide dismutase (essential factor in antioxidant defense).

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